How to carry out replacement: Thermostat E 2.0 (201.024) Mercedes W201
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Change Mercedes W201 E 2.0 (201.024) Thermostat yourself – manuals and video tutorials

How to change engine thermostat on Mercedes W201 – replacement guide

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When to replace the Thermostat on your MERCEDES-BENZ 190
Recommended replacement interval for the part category Engine thermostat : 50000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ 190 (W201) E 1.8 (201.018), MERCEDES-BENZ 190 (W201) 2.0 (201.022), MERCEDES-BENZ 190 (W201) E 2.0 (201.024), MERCEDES-BENZ 190 (W201) 2.0 (201.023), MERCEDES-BENZ 190 (W201) 2.0 (201.023), MERCEDES-BENZ 190 (W201) E 2.0, MERCEDES-BENZ 190 (W201) E 2.0 (201.024), MERCEDES-BENZ 190 (W201) E 2.3 (201.028) … View more

The steps may slightly vary depending on the car design.

How to change engine radiator and thermostat on MERCEDES W201 [TUTORIAL AUTODOC]

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Published on: 27/06/2023
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All the parts you need to replace – Thermostat for 190 (W201) and other MERCEDES-BENZ models
How to change Engine thermostat on Mercedes W201 E 2.0 (201.024) – step-by-step instructions for straightforward car repair Engine thermostat
How to change Engine thermostat on 190 (W201) – tips for proper car maintenance
Engine thermostat for 190 (W201) Petrol (109 hp)
Simple DIY car repair steps – Replacing Engine thermostat on 190 (W201)
Engine thermostat for 190 (W201) Petrol (90 hp)
Easy tricks to help you to replace Engine thermostat on 190 (W201)
Engine thermostat for 190 (W201) Petrol (113 hp)
Engine thermostat removal & installation, incredibly easy steps for 190 (W201)
Engine thermostat for 190 (W201) Petrol (102 hp)
Changing Engine thermostat on 190 (W201) – tips for first time repair
Engine thermostat for 190 (W201) Petrol (105 hp)
Main steps for Engine thermostat replacement on 190 (W201)
Engine thermostat for 190 (W201) Petrol (118 hp)
How to change Engine thermostat on 190 (W201) – tips for proper car maintenance
Engine thermostat for 190 (W201) Petrol (122 hp)
Simple DIY car repair steps – Replacing Engine thermostat on 190 (W201)
Engine thermostat for 190 (W201) Petrol (136 hp)
Tools
Replacement: engine thermostat – Mercedes W201. Tools you might need:
Wire brush
All-purpose cleaning spray
Torque wrench
Combination spanner #10
Drive socket # 7
Drive socket # 8
Drive socket # 10
Ratchet wrench
Long nose pliers
Funnel
Fluid container
Fender cover
Buy tools
Replacement: engine thermostat – Mercedes W201. AUTODOC recommends:
  • Check the condition of the coolant every time you replace the thermostat. Change the coolant if necessary.
  • Please note: all work on the car – Mercedes W201 – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    How to change Thermostat on Mercedes W201 1982 - free PDF and video manuals
    Open the bonnet.
  2. Step 2
    How to replace MERCEDES-BENZ 190 (W201) E 2.0 (201.024) 1983 Thermostat - step-by-step manuals and video guides
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
  3. Step 3
    Unscrew the coolant reservoir cap.
    Step 4
    Lift the car using a jack or place it over an inspection pit.
    Step 5
    Prepare a container for fluids.
    Step 6
    Mercedes W201 E 1.8 (201.018) 1984 Thermostat replacement: free workshop manuals
    Open the coolant drain tap.
  4. Step 7
    Changing Thermostat on MERCEDES-BENZ 190 (W201) E 2.0 1985 by yourself
    Drain the coolant from the engine.
    Replacement: engine thermostat – Mercedes W201. AUTODOC experts recommend:
    All work should be done with the engine stopped.Wait until the coolant has completely flowed out of the drain hole.
  5. Step 8
    Close the coolant drain tap.
    Step 9
    How to remove MERCEDES-BENZ 190 D 2.5 (201.126) 1986 Thermostat - online easy-to-follow instructions
    Loosen the clamp of the expansion tank hose. Use a drive socket #7. Use a ratchet wrench.
  6. Step 10
    How to replace Thermostat on MERCEDES-BENZ 190 (W201) 1987: download PDF manuals and video instructions
    Detach the expansion tank hose from the thermostat housing.
  7. Step 11
    How hard is it to do yourself: Thermostat replacement on Mercedes W201 E 2.3 (201.028) 1988 - download illustrated guide
    Detach the coolant hose.
  8. Step 12
    Need to know how to renew Thermostat on MERCEDES-BENZ 190 1989? This free workshop manual will help you to do it yourself
    Unscrew the thermostat housing fasteners. Use a drive socket #10. Use a ratchet wrench.
  9. Step 13
    Changing of Thermostat on Mercedes W201 1990 won't be an issue if you follow this illustrated step-by-step guide
    Remove the fastening bolts.
  10. Step 14
    MERCEDES-BENZ 190 E 2.0 (201.024) Thermostat replacement: online guides and video tutorials
    Remove the thermostat together with the housing.
    Replacement: engine thermostat – Mercedes W201. Professionals recommend:
    Caution! Coolant may leak out of the coolant lines and thermostat housing.
  11. Step 15
    Replacing Thermostat on Mercedes W201 1992 E 2.0 (201.024) by yourself
    Clean the thermostat housing mounting seat. Use all-purpose cleaning spray.
  12. Step 16
    Clean the thermostat mounting seat. Use a wire brush. Use all-purpose cleaning spray.
    Step 17
    190 (W201) D 2.5 (201.126) 1993 Thermostat DIY replacement workshop manual
    Install a new thermostat.
  13. Step 18
    How to change Thermostat on MERCEDES-BENZ 190 (W201) 1982 - tips and tricks
    Install the thermostat housing.
    Replacement: engine thermostat – Mercedes W201. Tip from AUTODOC experts:
    Be sure to use a new O-ring when installing the sensor.
  14. Step 19
    Step-by-step recommendations for DIY replacement Mercedes W201 1983 D 2.5 (201.126) Thermostat
    Install the fastening bolts.
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